From fc3478b22048b1f548f410b9b6ef78c6bff33986 Mon Sep 17 00:00:00 2001
From: besh81 <besh81@virgilio.it>
Date: Thu, 6 Dec 2018 09:03:51 +0100
Subject: [PATCH] updated button.icon

Now passing an empty image to button.icon() the previous image is erased from button
---
 source/gui/widgets/button.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/source/gui/widgets/button.cpp b/source/gui/widgets/button.cpp
index d407f0eb..eae1923e 100644
--- a/source/gui/widgets/button.cpp
+++ b/source/gui/widgets/button.cpp
@@ -379,7 +379,15 @@ namespace nana{	namespace drawerbase
 
 		void trigger::icon(const nana::paint::image& img)
 		{
-			if(img.empty())	return;
+			if(img.empty())
+			{
+				if(attr_.icon)
+				{
+					delete attr_.icon;
+					attr_.icon = 0;
+				}
+				return;
+			}
 
 			if(nullptr == attr_.icon)
 				attr_.icon = new paint::image;